CN213190025U - A combined device for reduction of lateral humeral condyle fracture in children and internal fixation and guidance - Google Patents

Abstract

The utility model discloses a combined device for reducing and internal fixation and guiding of a fracture of the lateral condyle of the humerus for children, which comprises two forceps handles, a forceps head and a Kirschner wire guide. The shaft pin is connected, the head end of one plier head is provided with a chuck, the two ends of the chuck are provided with inwardly bent claws, the claws are provided with K-wire guides, and the head end of the other plier head is provided with Insert tip down. During operation, the jaws act on both sides of the highest point of the lateral condyle of the humerus, insert the insertion part into the unfractured humerus bone above the fracture line, and clamp the forceps head, which can effectively pressurize and reduce the fracture; Kirschner wire The guide is a structure that is preset on the chuck to guide the insertion of the K-wire, so that the insertion of the K-wire depends on the K-wire guide, which can effectively avoid the differences in the experience and operation of the surgeon. It is convenient for surgical operation, reduces intraoperative radiation exposure, shortens operation time, and improves treatment effect.

Description

Children's humerus external condyle fracture reduction and internal fixation guiding combination device

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a children's outer condyle fracture of humerus resets and internal fixation direction composite set.

Background

Clinically, in the process of internal fixation for incision and reduction of external humeral condyle fracture of children, an operating doctor needs to reduce the fracture through point-type reduction forceps in the operation and perform certain pressurization, and then fixes the fracture through 2-3 Kirschner wires. Due to the anatomical characteristics of the operation incision, the operation is very inconvenient when the universal point type reduction forceps are used for reducing and pressurizing the fracture. Further, after the fracture is reduced, in the process of fixing the kirschner wire to the fracture, due to the difference of experience and operation technique of an operator, a proper fixing angle cannot be found often, and the patient needs to perform fluoroscopy and readjustment after threading the needle for multiple times, so that the operation process is complicated, the operation time is prolonged, the radiation exposure risk of the patient and the operation doctor is increased, and the operation trauma is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reposition and internal fixation guiding combination device for children humerus external condyle fracture.

The utility model provides a children's outer condyle of humerus fracture resets and internal fixation direction composite set, includes two pincers handles, binding clip and kirschner wire director, the binding clip is located the head of pincers handle, two the pincers handle passes through the pin junction, one the head end of binding clip is equipped with the chuck, the both ends of chuck are equipped with the jack catch of inside buckling, be equipped with on the jack catch kirschner wire director, another the head end of binding clip is equipped with decurrent insert most advanced.

Above technical scheme is preferred, the kirschner wire director includes 3 uide bushing, the jack catch corresponds uide bushing is equipped with the through-hole, uide bushing's one end is stretched out the outside of jack catch, 3 uide bushing distributes and 3 from top to bottom two coplanarities of uide bushing's axis, and 3 all have certain contained angle between uide bushing's the axis.

Above technical scheme is preferred, the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle guide sleeve's axis and below guide sleeve's axis contained angle is 16-20, middle guide sleeve's axis and top guide sleeve's axis contained angle is 16-20.

Above technical scheme is preferred, the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle guide sleeve's axis and below guide sleeve's axis contained angle is 18, middle guide sleeve's axis and top guide sleeve's axis contained angle is 18.

The utility model has the advantages and positive effects that: the utility model provides a combined device for resetting and internal fixation and guiding of external humeral condyle fracture of children, which is characterized in that when in operation, clamping jaws act on two side areas of the highest point of the external humeral condyle, an insertion part is inserted into the humeral bone which is not fractured at the upper part in a fracture line, and a binding clip is clamped, so that the fracture part can be effectively pressurized and reset; the kirschner wire guider is a structure which is preset on the chuck and has a guiding effect on the driving-in of the kirschner wire, so that the driving-in of the kirschner wire is dependent on the kirschner wire guider, the condition that a proper kirschner wire fixing angle cannot be found due to the difference of experience and operation manipulation of an operator can be effectively avoided, the operation is facilitated, the exposure of rays in the operation is reduced, the operation time is shortened, the operation wound is reduced, and the treatment effect is improved.

Drawings

Fig. 1 is a schematic structural view of a reduction and internal fixation guide combination device for external humeral condyle fracture of a child according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a chuck and a kirschner wire guide provided in an embodiment of the present invention;

fig. 3 is a schematic structural view of a holding point for fracture reduction and internal fixation according to an embodiment of the present invention;

fig. 4 is a front view of the reduction and internal fixation guide assembly for external humeral condyle fracture of a child according to an embodiment of the present invention;

fig. 5 is a side view of the reduction and internal fixation guide assembly for external humeral condyle fracture of a child according to an embodiment of the present invention.

Wherein: 1. a forceps handle; 2. a binding clip; 3. a shaft pin; 4. a chuck; 5. a claw; 6. an insertion tip; 7. the outer humeral condyle; 8. point A; 9. b, point; 10. c, point; 11. the humerus; 12. d, point; 13. a first guide sleeve; 14. a second guide sleeve; 15. a third guide sleeve; 16. a fracture line.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment provides a children's outer condyle fracture of humerus resets and internal fixation direction composite set, as shown in fig. 1-5, including two pincers handles 1, binding clip 2 and kirschner wire director, binding clip 2 is located the head of pincers handle 1, two pincers handle 1 passes through pivot 3 and connects, one the head end of binding clip 2 is equipped with chuck 4, the both ends of chuck 4 are equipped with the jack catch 5 of inside buckling, be equipped with on jack catch 5 the kirschner wire director, another the head end of binding clip 2 is equipped with decurrent insert pointed end 6.

The head ends of the traditional reduction forceps heads are oppositely arranged, but the fracture part cannot be clamped by the opposite heads. In the embodiment, the insertion tip 6 is downward at 90 degrees when viewed from above, the insertion tip is inserted into a bone block, a hole is formed at the D point 12 of the humerus 11 on the upper part in the fracture line 16, and then the insertion tip is inserted into the hole. As shown in fig. 3, in the present embodiment, two claws 5 are respectively applied to two side areas of the highest point of the outer humeral condyle 7, namely, point a 8 and point B9, and as a holding point of the device, a point between the two side areas of the highest point of the outer humeral condyle 7, namely, point C10, is an area where three kirschner wires are concentrated; a hole, i.e., the D-point 12, is pre-drilled in the bone of the upper unbroken humerus 11 within the fracture line 16, and the insertion tip 6 is inserted into the hole as another holding point of the device. The forceps handle 1 is clamped so that the jaw 5 and the insertion tip 6 clamp and reposition the fractured outer humeral condyle 7 and the non-fractured humerus 11, a Kirschner wire is driven into the outer humeral condyle 7 and the non-fractured humerus 11 along a Kirschner wire guide, and the fractured outer humeral condyle 7 and the non-fractured humerus 11 are internally fixed by the Kirschner wire.

Specifically, the kirschner wire guider comprises 3 guide sleeves, the jaw 5 is provided with a through hole corresponding to the guide sleeves, one end of each guide sleeve extends out of the outer side of the jaw 5, and the guide sleeves have a guide effect on the kirschner wires; 3 the guide sleeve distributes and 3 from top to bottom two coplanarities of guide sleeve's axis, two liang of coplanarities mean in figure 2 below the guide sleeve be first guide sleeve 13 promptly and be located the rear portion of jack catch, the top the guide sleeve be third guide sleeve 15 promptly and be located the front portion of jack catch, middle the guide sleeve be second guide sleeve 14 promptly and be located the middle part of jack catch, and 3 all have certain contained angle between the guide sleeve's the axis.

Optionally, the axis of the lower guide sleeve, i.e., the first guide sleeve 13, is parallel to the horizontal axis of the elbow joint, the angle between the axis of the middle guide sleeve, i.e., the second guide sleeve 14, and the axis of the lower guide sleeve is 16 to 20 °, and the angle between the axis of the middle guide sleeve and the axis of the upper guide sleeve, i.e., the third guide sleeve 15, is 16 to 20 °. Preferably, the below the guide sleeve's axis is parallel with elbow joint's horizontal axis, and is middle the guide sleeve's axis and below the guide sleeve's axis contained angle is 18, and is middle the guide sleeve's axis and top the guide sleeve's axis contained angle is 18.

The working process of the embodiment: punching a hole at a bone D point 12 at the upper part in a fracture line, inserting an insertion tip 6 into the hole, placing two claws 5 at a point A8 and a point B9 in areas at two sides of the highest point of an external humeral condyle 7, clamping a forceps handle 1, clamping and resetting a fracture, wherein three guide sleeves are positioned in an area C10, a first Kirschner wire extends into a first guide sleeve 13 to be driven into a bone, a second Kirschner wire extends into a second guide sleeve 14 to be driven into the bone, and a third Kirschner wire extends into a third guide sleeve 15 to be driven into the bone to realize internal fixation.

The utility model has the advantages and positive effects that: the utility model provides a combined device for resetting and internal fixation and guiding of external humeral condyle fracture of children, which is characterized in that when in operation, a claw is acted on two side areas of the highest point of the external humeral condyle, an insertion part is inserted into the humeral bone which is not fractured above a fracture line, and a binding clip is clamped, so that the fracture part can be effectively pressurized and reset; the kirschner wire guider is a structure which is preset on the chuck and has a guiding effect on the driving-in of the kirschner wire, so that the driving-in of the kirschner wire is dependent on the kirschner wire guider, the condition that a proper kirschner wire fixing angle cannot be found due to the difference of experience and operation manipulation of an operator can be effectively avoided, the operation is facilitated, the exposure of rays in the operation is reduced, the operation time is shortened, the operation wound is reduced, and the treatment effect is improved.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (4)

1. a child humerus lateral condyle fracture reduction and internal fixation guide combination device, is characterized in that: comprise two clamp handles, clamp head and Kirschner wire guide, described clamp head is arranged on the head of described clamp handle, The two pliers handles are connected by a shaft pin, the head end of one of the pliers is provided with a chuck, the two ends of the chuck are provided with inwardly bent claws, and the claws are provided with the For the K-wire guide, the head end of the other forceps head is provided with a downward insertion tip. 2. The combined device for reduction of lateral humeral condyle fracture in children and internal fixation guide according to claim 1, characterized in that: the K-wire guide comprises 3 guide sleeves, and the jaws correspond to the guide sleeves A through hole is provided, one end of the guide sleeve protrudes from the outside of the claw, the three guide sleeves are distributed from top to bottom, and the axes of the three guide sleeves are not coplanar, and There is a certain angle between the axes of the three guide sleeves. 3. The reduction and internal fixation guide combination device for children's lateral condyle fracture according to claim 2, characterized in that: the axis of the lower described guide sleeve is parallel to the horizontal axis of the elbow joint, and the middle described guide sleeve is parallel to the horizontal axis of the elbow joint. The included angle between the axis of the guide sleeve and the axis of the lower guide sleeve is 16-20°, and the included angle between the axis of the middle guide sleeve and the axis of the upper guide sleeve is 16-20°. 4. The reduction and internal fixation guide combination device for children's lateral humeral condyle fracture according to claim 2, characterized in that: the axis of the guide sleeve below is parallel to the horizontal axis of the elbow joint, and the guide sleeve in the middle is parallel to the horizontal axis of the elbow joint. The included angle between the axis of the guide sleeve and the axis of the lower guide sleeve is 18°, and the included angle between the axis of the middle guide sleeve and the axis of the upper guide sleeve is 18°.

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